Organization record
ALLETE, Inc.
All evidence-backed facts for this organization, identity resolved across official registers.
Facts on record
Newest first; every row links to its evidence page.
| Fact | Value | Period | Source |
|---|---|---|---|
| accounts_payable | {"amount": 116700000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-09-30 | sec_edgar |
| accounts_payable | {"amount": 124000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-06-30 | sec_edgar |
| accounts_payable | {"amount": 106000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-03-31 | sec_edgar |
| accounts_payable | {"amount": 113600000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-12-31 | sec_edgar |
| accounts_payable | {"amount": 110800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-09-30 | sec_edgar |
| accounts_payable | {"amount": 94100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-06-30 | sec_edgar |
| accounts_payable | {"amount": 84200000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-03-31 | sec_edgar |
| accounts_payable | {"amount": 102200000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| accounts_payable | {"amount": 112300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-09-30 | sec_edgar |
| accounts_payable | {"amount": 89300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| accounts_payable | {"amount": 84900000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-03-31 | sec_edgar |
| accounts_payable | {"amount": 103000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| accounts_payable | {"amount": 124300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-09-30 | sec_edgar |
| accounts_payable | {"amount": 134800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-06-30 | sec_edgar |
| accounts_payable | {"amount": 75900000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-03-31 | sec_edgar |
| accounts_payable | {"amount": 111000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-12-31 | sec_edgar |
| accounts_payable | {"amount": 101900000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-09-30 | sec_edgar |
| accounts_payable | {"amount": 100000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-06-30 | sec_edgar |
| accounts_payable | {"amount": 107000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| accounts_payable | {"amount": 110000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_payable | {"amount": 79000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_payable | {"amount": 86100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_payable | {"amount": 164400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_payable | {"amount": 165200000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_payable | {"amount": 143500000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_payable | {"amount": 150400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_payable | {"amount": 134400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_payable | {"amount": 149800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_payable | {"amount": 131800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_payable | {"amount": 105000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_payable | {"amount": 88100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_payable | {"amount": 136300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_payable | {"amount": 75300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_payable | {"amount": 61000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_payable | {"amount": 59200000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_payable | {"amount": 74000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_payable | {"amount": 72600000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_payable | {"amount": 64800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_payable | {"amount": 58800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_payable | {"amount": 88800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_payable | {"amount": 125000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_payable | {"amount": 94800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_payable | {"amount": 98900000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_payable | {"amount": 134100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_payable | {"amount": 92700000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_payable | {"amount": 93200000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_payable | {"amount": 78100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_payable | {"amount": 99900000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_payable | {"amount": 84300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_payable | {"amount": 52100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 53300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 90500000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 57400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 78300000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 51500000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 71800000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 44100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 44400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_payable | {"amount": 48200000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| accounts_payable | {"amount": 75400000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_payable | {"amount": 66500000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-09-30 | sec_edgar |
| accounts_payable | {"amount": 56000000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-06-30 | sec_edgar |
| accounts_payable | {"amount": 62100000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2009-12-31 | sec_edgar |
| accounts_receivable | {"amount": 141400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-12-31 | sec_edgar |
| accounts_receivable | {"amount": 136800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-09-30 | sec_edgar |
| accounts_receivable | {"amount": 133000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-06-30 | sec_edgar |
| accounts_receivable | {"amount": 142200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2024-03-31 | sec_edgar |
| accounts_receivable | {"amount": 137200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-12-31 | sec_edgar |
| accounts_receivable | {"amount": 119600000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-09-30 | sec_edgar |
| accounts_receivable | {"amount": 123200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-06-30 | sec_edgar |
| accounts_receivable | {"amount": 120300000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2023-03-31 | sec_edgar |
| accounts_receivable | {"amount": 137900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-12-31 | sec_edgar |
| accounts_receivable | {"amount": 120500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-09-30 | sec_edgar |
| accounts_receivable | {"amount": 116200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-06-30 | sec_edgar |
| accounts_receivable | {"amount": 118400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2022-03-31 | sec_edgar |
| accounts_receivable | {"amount": 123500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-12-31 | sec_edgar |
| accounts_receivable | {"amount": 110200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-09-30 | sec_edgar |
| accounts_receivable | {"amount": 105200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-06-30 | sec_edgar |
| accounts_receivable | {"amount": 113500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2021-03-31 | sec_edgar |
| accounts_receivable | {"amount": 111900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2020-12-31 | sec_edgar |
| accounts_receivable | {"amount": 92000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_receivable | {"amount": 85800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_receivable | {"amount": 99400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_receivable | {"amount": 96400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_receivable | {"amount": 85100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_receivable | {"amount": 87400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_receivable | {"amount": 98900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_receivable | {"amount": 144400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-12-31 | sec_edgar |
| accounts_receivable | {"amount": 129400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-09-30 | sec_edgar |
| accounts_receivable | {"amount": 132400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-06-30 | sec_edgar |
| accounts_receivable | {"amount": 128200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2018-03-31 | sec_edgar |
| accounts_receivable | {"amount": 135100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2017-12-31 | sec_edgar |
| accounts_receivable | {"amount": 136700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2017-09-30 | sec_edgar |
| accounts_receivable | {"amount": 120100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2017-06-30 | sec_edgar |
| accounts_receivable | {"amount": 122800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2017-03-31 | sec_edgar |
| accounts_receivable | {"amount": 122500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2016-12-31 | sec_edgar |
| accounts_receivable | {"amount": 108100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2016-09-30 | sec_edgar |
| accounts_receivable | {"amount": 113600000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2016-06-30 | sec_edgar |
| accounts_receivable | {"amount": 124800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2016-03-31 | sec_edgar |
| accounts_receivable | {"amount": 121200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2015-12-31 | sec_edgar |
| accounts_receivable | {"amount": 110700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 103900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 111800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 103000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 82400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 78900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 97400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 96300000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 79900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 78700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 86200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 89000000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 73200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 66700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 76700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 79700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 75800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 71900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 91500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| accounts_receivable | {"amount": 99500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_receivable | {"amount": 112100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-09-30 | sec_edgar |
| accounts_receivable | {"amount": 107900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2010-06-30 | sec_edgar |
| accounts_receivable | {"amount": 118500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD" | 2009-12-31 | sec_edgar |
| capex | {"amount": 540300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2025-09-30 | sec_edgar |
| capex | {"amount": 262700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2025-06-30 | sec_edgar |
| capex | {"amount": 154400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2025-03-31 | sec_edgar |
| capex | {"amount": 354900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2024-12-31 | sec_edgar |
| capex | {"amount": 230300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2024-09-30 | sec_edgar |
| capex | {"amount": 134000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2024-06-30 | sec_edgar |
| capex | {"amount": 60600000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2024-03-31 | sec_edgar |
| capex | {"amount": 271200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2023-12-31 | sec_edgar |
| capex | {"amount": 184100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2023-09-30 | sec_edgar |
| capex | {"amount": 120500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2023-06-30 | sec_edgar |
| capex | {"amount": 70000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2023-03-31 | sec_edgar |
| capex | {"amount": 220500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2022-12-31 | sec_edgar |
| capex | {"amount": 153500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2022-09-30 | sec_edgar |
| capex | {"amount": 90300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-06-30 | sec_edgar |
| capex | {"amount": 57700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2022-03-31 | sec_edgar |
| capex | {"amount": 479500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2021-12-31 | sec_edgar |
| capex | {"amount": 384300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2021-09-30 | sec_edgar |
| capex | {"amount": 293400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2021-06-30 | sec_edgar |
| capex | {"amount": 134400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2021-03-31 | sec_edgar |
| capex | {"amount": 724700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2020-12-31 | sec_edgar |
| capex | {"amount": 540800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2020-09-30 | sec_edgar |
| capex | {"amount": 419900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2020-06-30 | sec_edgar |
| capex | {"amount": 154300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2020-03-31 | sec_edgar |
| capex | {"amount": 597100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2019-12-31 | sec_edgar |
| capex | {"amount": 421300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2019-09-30 | sec_edgar |
| capex | {"amount": 236000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2019-06-30 | sec_edgar |
| capex | {"amount": 89300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2019-03-31 | sec_edgar |
| capex | {"amount": 312400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2018-12-31 | sec_edgar |
| capex | {"amount": 201000000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2018-09-30 | sec_edgar |
| capex | {"amount": 133400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2018-06-30 | sec_edgar |
| capex | {"amount": 88100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2018-03-31 | sec_edgar |
| capex | {"amount": 208500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2017-12-31 | sec_edgar |
| capex | {"amount": 130300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2017-09-30 | sec_edgar |
| capex | {"amount": 81100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-06-30 | sec_edgar |
| capex | {"amount": 36700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2017-03-31 | sec_edgar |
| capex | {"amount": 265600000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2016-12-31 | sec_edgar |
| capex | {"amount": 119500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2016-09-30 | sec_edgar |
| capex | {"amount": 74800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-06-30 | sec_edgar |
| capex | {"amount": 42400000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2016-03-31 | sec_edgar |
| capex | {"amount": 286800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2015-12-31 | sec_edgar |
| capex | {"amount": 208200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2015-09-30 | sec_edgar |
| capex | {"amount": 140500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2015-06-30 | sec_edgar |
| capex | {"amount": 88200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2015-03-31 | sec_edgar |
| capex | {"amount": 572800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-12-31 | sec_edgar |
| capex | {"amount": 467800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-09-30 | sec_edgar |
| capex | {"amount": 333900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-06-30 | sec_edgar |
| capex | {"amount": 216200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2014-03-31 | sec_edgar |
| capex | {"amount": 328500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2013-12-31 | sec_edgar |
| capex | {"amount": 195300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2013-09-30 | sec_edgar |
| capex | {"amount": 128600000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2013-06-30 | sec_edgar |
| capex | {"amount": 69800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2013-03-31 | sec_edgar |
| capex | {"amount": 405800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-12-31 | sec_edgar |
| capex | {"amount": 331900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-09-30 | sec_edgar |
| capex | {"amount": 221800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2012-06-30 | sec_edgar |
| capex | {"amount": 53900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2012-03-31 | sec_edgar |
| capex | {"amount": 239200000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-12-31 | sec_edgar |
| capex | {"amount": 156800000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2011-09-30 | sec_edgar |
| capex | {"amount": 91600000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-06-30 | sec_edgar |
| capex | {"amount": 51500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2011-03-31 | sec_edgar |
| capex | {"amount": 248900000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-12-31 | sec_edgar |
| capex | {"amount": 172700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2010-09-30 | sec_edgar |
| capex | {"amount": 79500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-06-30 | sec_edgar |
| capex | {"amount": 48100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cur | 2010-03-31 | sec_edgar |
| capex | {"amount": 318500000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-12-31 | sec_edgar |
| capex | {"amount": 200100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-09-30 | sec_edgar |
| capex | {"amount": 133300000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2009-06-30 | sec_edgar |
| capex | {"amount": 301100000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "cu | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 78700000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 55400000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 92000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 32800000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 101900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2024-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 37500000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 32000000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 71900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 125500000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2023-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 47900000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-06-30 | sec_edgar |